<template>
  <div>
  <el-breadcrumb separator-class="el-icon-arrow-right">
  <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
  <el-breadcrumb-item>用户管理</el-breadcrumb-item>
  <el-breadcrumb-item>用户列表</el-breadcrumb-item>
  </el-breadcrumb>

  <el-card :gutter="20">
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model='queryInfo.query' clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList" ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click='addDialogVisible=true'>添加用户</el-button>
        </el-col>
      </el-row>

        <el-table :data="userlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope='scope'>
              <el-switch
                v-model="scope.row.mg_state"
                @change='userStateChanged(scope.row)'
                >
              </el-switch>
          </template>
        </el-table-column>

         <el-table-column label="操作" width="230px">
             <template slot-scope='scope'>
    <el-button type="primary" icon="el-icon-edit" @click="showEditDialog(scope.row.id)"></el-button>
    <el-button type="primary" icon="el-icon-delete" @click="removeUserById(scope.row.id)"></el-button>
    <el-tooltip class="item" effect="dark" content="分配角色" placement="top" :enterable="false"> 
    <el-button type="primary" icon="el-icon-share" @click="setRole(scope.row)"></el-button>
    </el-tooltip>
              </template>
         </el-table-column>

      </el-table>
    
    <el-pagination
    @size-change="handleSizeChange"
    @current-change="handleCurrentChange"
    :current-page="queryInfo.pagenum"
    :page-sizes="[1, 2, 3, 4]"
    :page-size="queryInfo.pagesize"
    layout="total, sizes, prev, pager, next, jumper"
    :total="total">
    </el-pagination>

  </el-card>

    <el-dialog
    title="添加用户"
    :visible.sync="addDialogVisible"
    width="50%"
    @close="addDialogClosed"
    >
    <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
    </el-form>
    <span slot="footer" class="dialog-footer">
      <el-button @click="addDialogVisible = false">取 消</el-button>
      <el-button type="primary" @click='addUser'>确 定</el-button>
    </span>
    </el-dialog>

<el-dialog
  title="修改用户"
  :visible.sync="editDialogVisible"
  width="50%"
  @close='editDialogClosed'
  >
<el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="100px">
  <el-form-item label="用户名">
    <el-input v-model="editForm.username" disabled></el-input>
  </el-form-item>
    <el-form-item label="邮箱" prop="email">
    <el-input v-model="editForm.email"></el-input>
  </el-form-item>
  <el-form-item label="手机" prop="mobile">
    <el-input v-model="editForm.mobile"></el-input>
  </el-form-item>
</el-form>
  <span slot="footer" class="dialog-footer">
    <el-button @click="editDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click='editUserInfo'>确 定</el-button>
  </span>
</el-dialog>
  
    <!-- 分配角色的对话框 -->
    <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClosed">
      <div>
        <p>当前的用户：{{userInfo.username}}</p>
        <p>当前的角色：{{userInfo.role_name}}</p>
        <p>分配新角色：
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id">
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>

  </div>
</template>

<script>
export default {
    data () {
      var checkEmail = (rule, value, cb) => {
      // 验证邮箱的正则表达式
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/

      if (regEmail.test(value)) {
        // 合法的邮箱
        return cb()
      }
         cb(new Error('请输入合法的邮箱'))
      }
    // 验证手机号的规则
    var checkMobile = (rule, value, cb) => {
      // 验证手机号的正则表达式
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/

      if (regMobile.test(value)) {
        return cb()
      }

      cb(new Error('请输入合法的手机号'))
    }
      return {
        selectedRoleId: '',
        setRoleDialogVisible: false,
        rolesList: [],
        userInfo: {},
        queryInfo: {
        query: '',
        // 当前的页数
        pagenum: 1,
        // 当前每页显示多少条数据
        pagesize: 2
        },
        userlist: [],
        total: 0,
        addDialogVisible: false,
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
        editDialogVisible: false,
        editForm: {},
      // 添加表单的验证规则对象
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '用户名的长度在3~10个字符之间',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            min: 6,
            max: 15,
            message: '用户名的长度在6~15个字符之间',
            trigger: 'blur'
          }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
         ]
        },
       editFormRules: {
        email: [
          { required: true, message: '请输入用户邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入用户手机', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      }
      }
    },
    created () {
      this.getUserList()
    },
    methods: {
     async getUserList () {
         const { data: res } = await this.$http.get('users', {
            params: this.queryInfo
          })
      this.userlist = res.data.users
      this.total = res.data.total
         console.log(res)
      },
      handleSizeChange (newSize) {
          this.queryInfo.pagesize = newSize
          this.getUserList()
      },
      handleCurrentChange (newPage) {
          this.queryInfo.pagenum = newPage
          this.getUserList()
      },
     async userStateChanged (userinfo) {
          const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败！')
        }
        this.$message.success('更新用户状态成功！')
      },
      addDialogClosed () {
        this.$refs.addFormRef.resetFields()
      },
      addUser () {
        this.$refs.addFormRef.validate(async valid => {
          if (!valid) return false
            const { data: res } = await this.$http.post('users', this.addForm)
          if (res.meta.status !== 201) {
            this.$message.error('添加用户失败！')
          }
          this.$message.success('添加用户成功！')
          this.addDialogVisible = false
          this.getUserList()
        })
      },
      async showEditDialog (id) {
        const { data: res } = await this.$http.get('users/' + id)
        if (res.meta.status !== 200) {
          return this.$message.error('查询用户信息失败！')
        }
        this.editForm = res.data
        this.editDialogVisible = true
      },
      editDialogClosed () {
        this.$refs.editFormRef.resetFields()
      },
      editUserInfo () {
        this.$refs.editFormRef.validate(async valid => {
          if (!valid) return false

          const { data: res } = await this.$http.put(
            'users/' + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile
          }
          )
          if (res.meta.status !== 200) {
            return this.$message.error('更新用户信息失败！')
          }
        // 关闭对话框
        this.editDialogVisible = false
        // 刷新数据列表
        this.getUserList()
        // 提示修改成功
        this.$message.success('更新用户信息成功！')
        })
      },
    async removeUserById (id) {
      const confirmResult = await this.$confirm(
        '此操作将永久删除该用户, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)
        if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
         }
         const { data: res } = await this.$http.delete('users/' + id)
         if (res.meta.status !== 200) {
          return this.$message.error('删除用户失败！')
         }

         this.$message.success('删除用户成功！')
         this.getUserList()
      },
      async setRole (userInfo) {
      this.userInfo = userInfo
       const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败！')
      }
      this.rolesList = res.data

      this.setRoleDialogVisible = true
    },
   async saveRoleInfo () {
      if (!this.selectedRoleId) {
        return this.$message.error('请选择要分配的角色！')
      }

      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        {
          rid: this.selectedRoleId
        }
      )
      if (res.meta.status !== 200) {
        return this.$message.error('更新角色失败！')
      }
      this.$message.success('更新角色成功！')
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    setRoleDialogClosed () {
      this.selectedRoleId = ''
      this.userInfo = {}
    }
  }
}
</script>

<style lang="less" scoped>
</style>
